CN212174208U - Automatic escalator and self-starting induction device thereof - Google Patents

Abstract

The utility model provides a self-starting induction device for an escalator and an escalator. The device comprises a controller and at least two pressure sensors; the upper and lower entrances and exits of the escalator are respectively provided with a driving station and a turning station, and the at least two pressure sensors are respectively provided with a driving station and a steering station. Installed under the cover of the drive station and under the cover of the steering station, the pressure sensor is set in contact with the cover of the drive station or the cover of the steering station; at least two pressure sensors are connected to the controller; the controller is connected to the escalator When the measured value of at least one pressure sensor is greater than the preset threshold, the controller sends a switch signal to the main controller, so that the escalator starts and accelerates or keeps running at the preset speed. This solution can give more reaction time to the self-starting induction device, and also give enough reaction time to passengers, and there will be no situation that "the escalator starts and accelerates after the passenger steps on the steps", thereby improving safety.

Description

Self-starting induction device for escalator and escalator

technical field

The utility model relates to the technical field of escalators, in particular to a self-start induction device of an escalator and an escalator.

Background technique

Escalator is widely used in subway stations, shopping malls, pedestrian bridges and other places with large traffic. Once the escalator is started, it will run for a long time, the energy consumption is large, and the energy saving space is relatively large. If it can realize "normal operation when busy, slow or even stop when idle, and automatically start operation when there are passengers", it can greatly save electricity.

The self-starting induction device of the traditional escalator usually adopts photoelectric or ultrasonic induction. When the passenger arrives, the induction device senses the body of the passenger to generate an induction signal, and converts the induction signal into an electrical signal to make the slow or stopped escalator. put back into operation. However, due to the limitation of the escalator structure, the sensing probe of this type of sensing device is often set at the handrail device close to the steps, which gives the self-starting sensing device a very short response time, and even after passengers step on the steps, the escalator will Just started to start and accelerate the situation. It is a very dangerous situation for passengers to start and accelerate the escalator while standing on the steps, because the passengers often have no time to grasp the handrail, resulting in the danger of falling backwards, which poses a serious safety hazard.

For example, on November 11, 2016, an accident occurred in Wuyue Plaza, Qingpu District, Shanghai. At that time, grandma was holding a baby boy who was only 4 months old. When she just stepped on the escalator, the self-starting induction device was activated, and the grandma did not respond in time. The body tilted out of control, and the baby boy dropped from his grandmother's hand and fell from the third floor. After being sent to the hospital, rescue efforts were unsuccessful.

Utility model content

The utility model provides a self-start induction device of an escalator and an escalator, so as to solve the technical problem that the short response time of the existing self-start induction device may lead to safety accidents.

In order to solve the above technical problems, the present invention provides a self-starting induction device for escalators, the device includes a controller and at least two pressure sensors;

The upper and lower entrances and exits of the escalator are respectively provided with a driving station and a steering station, and the at least two pressure sensors are respectively installed under the cover plate of the driving station and the cover plate of the steering station. Contact with the cover plate of the driving station or the cover plate of the steering station;

both of the at least two pressure sensors are connected to the controller;

The controller is connected to the main controller of the escalator, and when the measured value of at least one of the pressure sensors is greater than a preset threshold, the controller sends a switch signal to the main controller, so that all The escalator starts and accelerates or keeps running at the preset speed.

Optionally, the cover plate of the driving station is installed on the first support frame, and the cover plate of the steering station is installed on the second support frame;

Both the first support frame and the second support frame are provided with grooves, and the pressure sensors are respectively installed in the grooves.

Optionally, the cover plate of the driving station and the first bracket are in contact with more than two sides, and the pressure sensors are provided at the contact positions;

More than two sides of the cover plate of the steering station and the second bracket are in contact with each other, and the pressure sensors are provided at the contact positions.

Optionally, the number of the pressure sensors is six.

Optionally, the cover plate of the driving station and the first bracket are in contact with three sides, and a total of four pressure sensors are evenly arranged on the three sides in contact;

Two sides of the cover plate of the steering station and the second bracket are in contact with each other, and the two sides in contact are respectively provided with one of the pressure sensors.

Optionally, the controller is a PLC controller.

The utility model also provides an escalator, the escalator comprising the self-starting induction device of the escalator described in any one of the above, the driving station, the turning station and the main controller;

The controller is connected to the main controller, and when the measured value of at least one of the pressure sensors is greater than a preset threshold, the controller sends a switch signal to the main controller to make the escalator Start and accelerate or keep running at a preset speed.

The utility model provides a self-starting induction device for an escalator and an escalator, considering that passengers first step on the cover of the driving station or the cover of the steering station when riding the escalator, and the cover of the driving station or the cover of the steering station The cover extends longer to both ends of the escalator. When passengers step into the cover of the drive station or the cover of the steering station, the pressure sensor under the cover can sense the pressure and convert the pressure into an analog signal Send to the controller, when the value of the analog signal is greater than the preset threshold, the controller sends a switch signal to the main controller, after the main controller receives the switch signal, the main controller starts the escalator in the stopped state and accelerate it to reach the preset speed; if the switch signal is received when the escalator is running at the preset speed, the main controller will keep the escalator running at the preset speed; if the main controller does not receive all the signals for a long time If the above-mentioned switch signal is used, the escalator will be stopped or decelerated. In this way, the self-starting induction device can be given more reaction time, and the passengers can be given enough reaction time. There will be no situation that "the escalator starts and accelerates after the passenger steps on the steps", thereby improving safety.

Description of drawings

1 is a schematic structural diagram of a pressure sensor installed under a cover plate of a drive station provided by an embodiment of the present invention;

2 is a schematic structural diagram of a pressure sensor installed under a cover plate of a steering station according to an embodiment of the present invention;

3 is a schematic structural diagram of a pressure sensor installed on a groove of a first bracket provided by an embodiment of the present invention;

4 is a schematic diagram of signal transmission between the self-starting induction device provided by an embodiment of the present invention and the main controller of the escalator.

[reference numerals are explained below]:

1-controller; 2-pressure sensor; 3-cover of driving station; 4-cover of steering station; 5-first support frame; 6-groove.

Detailed ways

In order to make the purpose, advantages and features of the present utility model clearer, the following is a further detailed description of a self-starting induction device for an escalator and an escalator proposed by the present utility model with reference to the accompanying drawings. It should be noted that, the accompanying drawings are all in a very simplified form and in inaccurate scales, and are only used to facilitate and clearly assist the purpose of explaining the embodiments of the present invention.

As shown in Figures 1 to 4, a self-starting induction device for an escalator provided by the present invention includes a controller 1 and at least two pressure sensors 2; the upper and lower entrances and exits of the escalator are respectively provided with a drive station and a steering station, the at least two pressure sensors 2 are respectively installed under the cover plate 3 of the driving station and under the cover plate 4 of the steering station. The cover plate 4 of the turning station is arranged in contact; the at least two pressure sensors 2 are connected to the controller 1; the controller 1 is connected to the main controller of the escalator, when at least one of the pressure sensors When the measured value of 2 is greater than the preset threshold, the controller 1 sends a switch signal to the main controller, so that the escalator starts and accelerates or runs at a preset speed.

The self-start induction device of the escalator provided by the present invention takes into account that when passengers take the escalator, they first step on the cover 3 of the driving station or the cover 4 of the steering station, and the cover 3 of the driving station or the cover 4 of the steering station The cover plate 4 extends longer to the two ends of the escalator. When passengers step into the cover plate 3 of the driving station or the cover plate 4 of the steering station, the pressure sensor 2 under the cover plate can sense the pressure and transmit the pressure. Convert it into an analog signal and send it to the controller 1. When the value of the analog signal is greater than the preset threshold, the controller 1 sends a switch signal to the main controller. After the main controller receives the switch signal, the main controller starts The escalator in the stopped state is accelerated to reach the preset speed; if the switch signal is received when the escalator is running at the preset speed, the main controller will keep the escalator running at the preset speed; if the main controller If the switch signal is not received for a long time, the escalator will be stopped or decelerated. In this way, the self-starting induction device can be given more reaction time, and the passengers can be given enough reaction time. There will be no situation that "the escalator starts and accelerates after the passenger steps on the steps", thereby improving safety.

Optionally, as shown in FIG. 1-FIG. 3, the cover plate 3 of the driving station is installed on the first support frame 5, and the cover plate 4 of the steering station is installed on the second support frame; the first support frame Both the support frame 5 and the second support frame are provided with grooves 6 , and the pressure sensors 2 are respectively installed in the grooves 6 . As shown in Figure 3, the installation and replacement of the pressure sensor 2 can be facilitated by the groove 6, and the groove 6 can protect the pressure sensor 2; When the cover plate 3 of the station is driven, the pressure sensor 2 can sense the pressure and send the pressure value to the controller 1. When the controller 1 judges that the pressure value is greater than the preset threshold, the controller 1 sends the main control to the escalator. The escalator sends a switch signal to make the escalator start and accelerate or keep running at the preset speed.

Optionally, as shown in FIG. 1 and FIG. 2 , the cover plate 3 of the driving station and the first bracket are in contact with more than two sides, and the pressure sensor 2 is provided at the contact positions; The cover plate 4 of the steering station is in contact with more than two sides of the second bracket, and the pressure sensor 2 is provided at the contact positions. Pressure sensors 2 are installed at the contacting positions. When passengers step into the cover 3 of the driving station or the cover 4 of the steering station from any direction, the pressure sensors 2 can sense the pressure of the passengers and improve the self-starting induction device. sensitivity.

Optionally, the number of the pressure sensors 2 is six.

Optionally, as shown in FIG. 1 and FIG. 2 , the cover plate 3 of the driving station and the first bracket are in contact with three sides, and four pressure sensors 2 are evenly arranged on the three sides in contact with each other. ; The cover plate 4 of the steering station is in contact with the second bracket on two sides, and a pressure sensor 2 is respectively provided on the two sides in contact. The self-starting induction device can set six sensors to meet the general sensitivity and accuracy requirements.

Optionally, the controller 1 is a PLC controller. The preset threshold value, preset speed and related logic programs can be stored in a PLC (Programmable Logic Controller, programmable logic controller) controller, so as to realize the interaction between the controller 1 and the main controller.

Based on the same technical concept as the above-mentioned self-starting induction device for an escalator, the present invention also provides an escalator, the escalator includes the self-starting induction device for an escalator, the driving station , the steering station, and the main controller; the controller is connected to the main controller, and when the measured value of at least one of the pressure sensors is greater than a preset threshold, the controller sends a message to the main controller Send a switch signal to make the escalator start and accelerate or keep running at a preset speed.

To sum up, the present invention provides a self-starting induction device for escalator and escalator, considering that when passengers take the escalator, they first step on the cover 3 of the driving station or the cover 4 of the turning station, and the driving station The cover 3 of the driving station or the cover 4 of the steering station extends longer to both ends of the escalator. When passengers step into the cover 3 of the driving station or the cover 4 of the steering station, the pressure sensor 2 under the cover can be Sensing the pressure, converting the pressure into an analog signal and sending it to the controller 1, when the value of the analog signal is greater than the preset threshold, the controller 1 sends a switch signal to the main controller, and the main controller receives the switch After receiving the signal, the main controller starts the escalator in the stopped state and accelerates it to reach the preset speed; if the escalator receives the switch signal when the escalator is running at the preset speed, the main controller keeps the escalator according to the preset speed. Set the speed to run; if the main controller does not receive the switch signal for a long time, it will stop or decelerate the escalator. In this way, the self-starting induction device can be given more reaction time, and the passengers can be given enough reaction time. There will be no situation that "the escalator starts and accelerates after the passenger steps on the steps", thereby improving safety.

The above description is only a description of the preferred embodiments of the present utility model, and is not intended to limit the scope of the present utility model. Any changes and modifications made by those of ordinary skill in the art according to the above disclosure belong to the scope of the claims of the present utility model. protected range.

Claims (7)

1. The self-starting induction device of the escalator is characterized by comprising a controller and at least two pressure sensors;

the escalator is characterized in that a driving station and a steering station are respectively arranged at the upper entrance and the lower entrance of the escalator, the at least two pressure sensors are respectively arranged below a cover plate of the driving station and below a cover plate of the steering station, and the pressure sensors are arranged in contact with the cover plate of the driving station or the cover plate of the steering station;

the at least two pressure sensors are connected with the controller;

the controller is connected with a main controller of the escalator, and when the measured value of at least one pressure sensor is greater than a preset threshold value, the controller sends a switching value signal to the main controller so as to start the escalator and accelerate or keep running at a preset speed.

2. The escalator self-starting induction device according to claim 1, wherein the drive station cover plate is mounted on the first support frame, and the reversing station cover plate is mounted on the second support frame;

the first support frame and the second support frame are both provided with grooves, and the pressure sensors are respectively installed in the grooves.

3. The escalator self-starting induction device according to claim 2, wherein the cover plate of the drive station and the first supporting frame are in contact with each other at two or more sides, and the pressure sensors are arranged at the contact positions;

the cover plate of the steering station is in contact with the second support frame through more than two edges, and the pressure sensors are arranged at the contact positions.

4. The escalator self-starting induction device according to claim 3, wherein the number of said pressure sensors is six.

5. The escalator self-starting induction device according to claim 4, wherein the cover plate of the drive station and the first supporting frame have three sides in contact, and the three sides in contact are uniformly provided with four pressure sensors;

the cover plate of the steering station is in contact with the second support frame through two sides, and the two sides in contact are respectively provided with the pressure sensor.

6. The escalator self-starting sensing device according to claim 1, wherein said controller is a PLC controller.

7. An escalator, characterized in that it comprises the self-starting induction device of an escalator as claimed in any one of claims 1-6, the drive station, the reversing station and the main controller;

the controller is connected with the main controller, and when the measured value of at least one pressure sensor is greater than a preset threshold value, the controller sends a switching value signal to the main controller so as to start and accelerate the escalator or keep running at a preset speed.

Images